“Friends” actress Lisa Kudrow serves as the executive producer of TLC’s “Who Do You Think You Are” — a series based on the popular U.K. show that gives viewers a look at the family history of celebrities. “The Insider With Yahoo” correspondent Michael Yo caught up with her to learn more about it. While tracing family roots seems interesting — the show has uncovered some rather difficult revelations. Both Reba McEntire and Bill Paxton discovered on the show that they had family members who owned slaves. Lisa

The Obama administration will unveil a major climate change plan Monday aimed at a large reduction in greenhouse gas emissions from the nation's coal-burning power plants, a senior administration official told CNN. CNN's Fredricka Whitfield reports.